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Calcimator

Kayak Spray Skirt Size Calculator

Find the right spray skirt size from your cockpit dimensions and waist measurement for a secure, comfortable fit.

Inputs

Results

Deck size (1-4: S/M/L/XL)

2

Tunnel size (1-4: S/M/L/XL)

2

Cockpit area (sq in)466.5
Cockpit perimeter (inches)83.5
Fit quality (0-100)92
Implosion resistance (1-10)5.4
Deck Size LabelMedium
Stretch Allowance (in)0
How to Use This Calculator
  1. Measure the inside cockpit length from front to back rim in inches.
  2. Measure the inside cockpit width at the widest point in inches.
  3. Measure your waist circumference in inches at the level where the spray skirt tunnel will sit (around the navel).
  4. Select the skirt material: neoprene for whitewater (better seal), nylon for touring (lighter and easier to put on), or hybrid.
  5. Read Deck Size and Tunnel Size — use both numbers when ordering, as manufacturers size the deck (cockpit) and tunnel (waist) independently.
  6. Check Implosion Resistance if you paddle steep whitewater — neoprene skirts on smaller cockpits score highest.
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